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Ecosystem Ch. 2, 5, & 6 Test
Contributed by: Dunkerley
  • 1. An animal without a backbone
A) vertebrate
B) invertebrate
  • 2. Largest group for classifying living things
A) order
B) kingdom
C) species
D) phylum
  • 3. Smallest group for classifying living things
A) kingdom
B) class
C) species
D) phylum
  • 4. Organizing things into groups based on how the things are alike
A) classification
B) ecosystem
C) food chain
D) family
  • 5. Which two animals are invertebrates?
A) Octopus and starfish
B) Shark and zebra
C) Clownfish and moth
D) Earthworm and robin
  • 6. Which group has the greatest number of animal species?
A) Plants
B) Protists
C) Mammals
D) Invertebrates
  • 7. What is the main difference between members in the plant kingdom and members of the animal kingdom?
A) Plants make their own food; animals eat other plants and animals
B) Animals have many cells; plants only have one cell
C) Plants have tubes; animals have backbones
D) Animals have a nucleus; Plant cells have no nucleus
  • 8. The process by which plants make food, using energy from sunlight
A) Plant's stomach
B) Food Chain
C) Photosynthesis
D) Energy pyramid
  • 9. A community of organisms and the environment in which they live in
A) Ecosystem
B) Community
C) Habitat
D) Population
  • 10. An animal that eats only producers
A) Omnivore
B) Carnivore
C) Insectivore
D) Herbivore
  • 11. An organism that makes its own food
A) Provider
B) Decomposer
C) Consumer
D) Producer
  • 12. An animal that eats plants and other animals
A) Omnivore
B) Insectivore
C) Herbivore
D) Carnivore
  • 13. The transfer of energy between organisms in an ecosystem
A) Food Pyramid
B) Energy Chain
C) Circle of Life
D) Food Chain
  • 14. An organism that breaks down the remains of dead plants and animals
A) Omnivore
B) Decomposer
C) Carnivore
D) Herbivore
  • 15. A diagram that shows how much food energy is passed to each level in a food chain
A) Energy Pyramid
B) Energy Diagram
C) Energy Chain
D) Food Pyramid
  • 16. An animal that eats only other animals
A) Herbivore
B) Carnivore
C) Insectivore
D) Omnivore
  • 17. What is the source of energy for producers?
A) The Earth
B) The wind
C) The sun
D) Fresh water
  • 18. Suppose a pack of wolves attacks and eats a family of mice. How much of the mice's energy is passed to the wolves?
A) 75 percent
B) 10 percent
C) 50 percent
D) 1 percent
  • 19. Which is a product of photosynthesis?
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Carbon Dioxide
  • 20. Populations that live and interact together
A) Neighborhood
B) Community
C) Population
D) Ecosystem
  • 21. A contest among organisms to find the food, water, shelter, and space they need to live
A) House hunting
B) Competition
C) Search
D) Race
  • 22. The saving of resources
A) Reusing
B) Conservation
C) Saving
D) Recycling
  • 23. Animals that are eaten by other animals
A) Prey
B) Predator
C) Omnivore
D) Insectivore
  • 24. Animals that hunt other animals
A) Omnivore
B) Herbivore
C) Predator
D) Prey
  • 25. What is formed when chemicals from burning fossil fuels mix with water vapor in the air?
A) Smog
B) Acid rain
C) Snow
D) Air pollution
  • 26. Which is NOT a method for conserving resources?
A) Reuse
B) Recycle
C) Reduce
D) Restore
  • 27. Which thing cannot be recycled?
A) Plastic bottles
B) Gasoline
C) Newspaper
D) Aluminum cans
  • 28. Which is an example of prey?
A) Rabbit
B) Hawk
C) Tiger
D) Polar Bear
  • 29. Which organism is an example of a carnivore?
A) Flowers
B) Grasshoppers
C) Mountain Lion
D) Bacteria
  • 30. Which organism is NOT a decomposer?
A) Ladybug
B) Earthworm
C) Fungi
D) Mushroom
  • 31. Which list shows a possible order in which energy moves through an ecosystem?
A) herbivore, carnivore, sun, producer, decomposer
B) producer, sun, carnivore, herbivore, decomposer
C) sun, producer, herbivore, carnivore, decomposer
D) sun, producer, predator, consumer, decomposer
  • 32. Which two organisms would you expect to compete with each other?
A) Black bear and bobcat
B) Raccoons and jellyfish
C) Deer and eagle
D) Birds and roses
  • 33. A rare kind of fish lives in only one small stream. A dam is built on the stream, and all the rare fish die. What is this an example of?
A) Competition
B) Adaptation
C) A limiting factor
D) Extinction
  • 34. Which is NOT a cause of extinction?
A) Habitat change
B) Climate change
C) Conservation
D) Competition
  • 35. Which is a natural cause of ecosystem change?
A) Farming
B) Pollution
C) Hurricane
D) Building fences
  • 36. Certain bacteria live in the digestive systems of cows. The bacteria receive nutrients from food the cows eat. This relationship is an example of mutualism because the cows
A) inherit a dangerous disease
B) need to find extra food
C) can digest food more easily
D) develop painful stomach cramps
  • 37. Kudzu is a common plant found in Alabama. Which statement correctly describes the relationship between kudzu and a non-living factor in an ecosystem?
A) Kudzu leaves provide shelter for insects.
B) A deer eats kudzu.
C) Kudzu vines cover nearby trees.
D) The Sun helps kudzu grow.
  • 38. A certain species of vine grows on the trunk of a tree. The vine uses the tree to help it reach sunlight. Its relationship with the tree is a type of symbiosis called commensalism. This relationship means that
A) the tree is not harmed by the climbing vine.
B) the vine takes nutrients from the tree.
C) the tree benefits from having the vine grown on it.
D) the vine chokes the tree limbs that it surrounds.
  • 39. Which statement describes a mutualistic relationship between populations of insects and wildflowers in a prairie ecosystem?
A) The wildflower populations are harmed, but the insect populations benefit.
B) Both the insect and wildflower populations are unaffected by one another.
C) The insect populations are harmed, but the wildflower populations benefit.
D) Both the insect and wildflower populations benefit from one another.
  • 40. Here is an example of a food chain: plankton - krill - small fish - salmon - bald eagle. How would the community most likely change if the krill were removed?
A) The small fish population would increase.
B) The salmon population would increase.
C) The plankton population would decrease.
D) The bald eagle population would decrease.
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